Thomas County

Showing 1–50 of 320.

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  Acer negundo L. Native ACNE2

  boxelder · Aceraceae
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  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
• 
  Achillea millefolium L. var. occidentalis DC. Native ACMIO

  western yarrow · Asteraceae
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  Agropyron cristatum (L.) Gaertn. Introduced AGCR

  crested wheatgrass · Poaceae
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  Agropyron cristatum (L.) Gaertn. ssp. pectinatum (M. Bieb.) Tzvelev Introduced AGCRP8

  crested wheatgrass · Poaceae
• 
  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae
• 
  Amaranthus albus L. Introduced AMAL

  prostrate pigweed · Amaranthaceae
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  Amaranthus blitoides S. Watson Introduced AMBL

  mat amaranth · Amaranthaceae
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  Amaranthus palmeri S. Watson Native AMPA

  carelessweed · Amaranthaceae
• 
  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae
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  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae
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  Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMARE

  annual ragweed · Asteraceae
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  Ambrosia grayi (A. Nelson) Shinners Native AMGR5

  woollyleaf bur ragweed · Asteraceae
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae
• 
  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae
• 
  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae
• 
  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
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  Argemone polyanthemos (Fedde) G.B. Ownbey Native ARPO2

  crested pricklypoppy · Papaveraceae
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  Aristida purpurea Nutt. Native ARPU9

  purple threeawn · Poaceae
• 
  Aristida purpurea Nutt. var. longiseta (Steud.) Vasey Native ARPUL

  Fendler threeawn · Poaceae
• 
  Artemisia filifolia Torr. Native ARFI2

  sand sagebrush · Asteraceae
• 
  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae
• 
  Artemisia ludoviciana Nutt. ssp. ludoviciana Native ARLUL2

  white sagebrush · Asteraceae
• 
  Asclepias engelmanniana Woodson Native ASEN

  Engelmann's milkweed · Asclepiadaceae
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  Asclepias latifolia (Torr.) Raf. Native ASLA4

  broadleaf milkweed · Asclepiadaceae
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  Asclepias pumila (A. Gray) Vail Native ASPU

  plains milkweed · Asclepiadaceae
• 
  Asclepias speciosa Torr. Native ASSP

  showy milkweed · Asclepiadaceae
• 
  Asclepias stenophylla A. Gray Native ASST

  slimleaf milkweed · Asclepiadaceae
• 
  Asclepias syriaca L. Native ASSY

  common milkweed · Asclepiadaceae
• 
  Asclepias verticillata L. Native ASVE

  whorled milkweed · Asclepiadaceae
• 
  Asclepias viridiflora Raf. Native ASVI

  green comet milkweed · Asclepiadaceae
• 
  Astragalus crassicarpus Nutt. Native ASCR2

  groundplum milkvetch · Fabaceae
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  Astragalus crassicarpus Nutt. var. crassicarpus Native ASCRC3

  groundplum milkvetch · Fabaceae
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  Astragalus gracilis Nutt. Native ASGR3

  slender milkvetch · Fabaceae
• 
  Astragalus lotiflorus Hook. Native ASLO4

  lotus milkvetch · Fabaceae
• 
  Astragalus missouriensis Nutt. Native ASMI10

  Missouri milkvetch · Fabaceae
• 
  Astragalus missouriensis Nutt. var. missouriensis Native ASMIM5

  Missouri milkvetch · Fabaceae
• 
  Astragalus mollissimus Torr. Native ASMO7

  woolly locoweed · Fabaceae
• 
  Astragalus mollissimus Torr. var. mollissimus Native ASMOM5

  woolly locoweed · Fabaceae
• 
  Astragalus pectinatus (Douglas ex Hook.) Douglas ex G. Don Native ASPE5

  narrowleaf milkvetch · Fabaceae
• 
  Astragalus racemosus Pursh Native ASRA2

  cream milkvetch · Fabaceae
• 
  Astragalus racemosus Pursh var. racemosus Native ASRAR2

  cream milkvetch · Fabaceae
• 
  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae
• 
  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae
• 
  Bothriochloa laguroides (DC.) Herter ssp. torreyana (Steud.) Allred & Gould Native BOLAT

  silver beardgrass · Poaceae
• 
  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae
• 
  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae
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  Bouteloua dactyloides (Nutt.) J.T. Columbus Native BODA2

  buffalograss · Poaceae
• 
  Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths Native BOGR2

  blue grama · Poaceae